CN210769783U - Nut anti-loosening composite washer - Google Patents
Nut anti-loosening composite washer Download PDFInfo
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- CN210769783U CN210769783U CN201921185501.6U CN201921185501U CN210769783U CN 210769783 U CN210769783 U CN 210769783U CN 201921185501 U CN201921185501 U CN 201921185501U CN 210769783 U CN210769783 U CN 210769783U
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- main body
- nut
- washer
- mounting plate
- gasket
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Abstract
A nut anti-loose composite washer comprises a washer main body, wherein a first through hole for inserting a bolt is formed in the middle of the washer main body, an insertion piece which is inserted into an insertion groove formed in a mounting plate matched with the washer main body is formed by bending the side part of the washer main body upwards, and a limiting piece which is used for clamping a nut and plays a role in stopping rotation of the nut is formed by bending the side part of the washer main body downwards; and a second through hole which is correspondingly arranged with the first through hole and is used for bolt insertion is formed in the mounting plate matched with the gasket main body. Borrow by above-mentioned technical scheme, the utility model discloses can realize good nut locking function to can save nut side operation instrument when using, be particularly useful for narrow and small installation space.
Description
Technical Field
The utility model belongs to the technical field of the nut, in particular to nut locking composite washer.
Background
The existing fastening assembly generally uses bolts and nuts, and the using method generally comprises the steps of inserting the bolts into the connecting piece and screwing and fixing the bolts and the nuts. The threaded connection is often in high temperature or under the high-frequency vibration impact, very easily leads to the mutual slip of screw thread inclined plane between bolt, nut in the fastening structure to make locking inefficacy, influence the normal use of product and equipment, and then probably take place accident. When the universal bolt and nut are fastened, operation tools (such as a spanner) are needed to be installed and fastened on the nut side and the bolt side, and the nut is prevented from rotating along with the bolt in the process of fastening the bolt. When the thread specification is larger, the space required by the fastening wrench is increased, and if the situation that one side (usually the nut side) has no operation space occurs in a use occasion, the operation is difficult and the fastening torque is insufficient.
In addition, after the bolt and the nut are fastened, the conventional anti-loosening mode is to increase the friction force when the nut rotates or to enable the nut to loosen and rotate for a certain angle and then still maintain a certain pretightening force, and the main way is to increase a spring washer, a double nut and the like; or coating adhesive on the internal and external thread parts to prevent relative rotation between the internal and external threads. The conventional anti-loosening structure is widely applied to mechanical equipment in various industries, but under the working conditions of heavy load bearing, variable load, large temperature change, large impact vibration and the like, the pretightening force of the bolt is greatly changed, the existence of vibration can cause damage to a friction pair, a bonding body and the like, and the bolt and the nut can still generate relative motion, so that the anti-loosening is disabled.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a can realize the compound packing ring of nut locking function, can save nut side operation tool when using, be particularly useful for narrow and small or confined installation space.
The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. According to the utility model provides a nut locking composite washer, including the packing ring main part, set up the first through-hole that supplies the bolt to alternate in the middle of this packing ring main part, the packing ring main part lateral part is upwards buckled and is formed with the insertion piece that inserts mutually with the insertion groove of seting up on the mounting panel of packing ring main part looks adaptation, the packing ring main part lateral part is buckled downwards and is formed with the spacing piece that is used for clamping the nut and plays the effect of splining to the nut; and a second through hole which is correspondingly arranged with the first through hole and is used for bolt insertion is formed in the mounting plate matched with the gasket main body.
The utility model discloses still adopt following technical scheme further to realize.
In the nut anti-loose composite washer, the insert pieces are provided with two and symmetrically distributed on the opposite sides of the washer body.
In the nut anti-loose composite washer, the two limiting pieces are symmetrically distributed on the opposite sides of the washer body.
In the nut anti-loose composite washer, the washer body is of an integrally formed structure.
In the nut anti-loose composite washer, four corners of the washer body are respectively bent upwards to form a mesh tooth tightly abutted against the mounting plate to increase the frictional resistance.
The nut anti-loose composite washer is characterized in that the rodent is bent upwards by an angle of 1-5 degrees.
In the nut anti-loose composite washer, the insert is perpendicular to the washer body.
According to the nut anti-loose composite washer, the limiting sheet is perpendicular to the washer body.
Compared with the prior art, the utility model following beneficial effect has at least:
1. the utility model discloses simple structure easily processes, and its packing ring main part adopts integrated into one piece structural design, easily extensive manufacturing.
2. The utility model provides a packing ring main part possesses spacing piece, can prevent effectively that the nut from producing under the environment that bears heavy load, variable load, temperature variation are big and impact vibration is big not hard up and then treat the fastening inefficacy of fastening work piece in the equipment that leads to.
3. The utility model discloses be particularly useful for the nut side installation space narrow and small and can't adopt conventional nut side operating means (for example spanner) to carry out the environment of spline the nut. When the nut is used, the nut is directly clamped between the limiting pieces of the gasket main body, then the gasket main body with the nut is buckled on the mounting plate of the equipment, and finally the bolt penetrates through the workpiece to be fastened of the equipment and the mounting plate and is in threaded connection with the nut, so that the relative fastening position between the workpiece to be fastened and the mounting can be realized, and the nut clamping device has the advantages of simplicity in operation and quickness in dismounting.
Drawings
Fig. 1 to 2 are perspective views of the present invention.
Fig. 3 is a schematic view of the exploded structure of the present invention.
Fig. 4 is a schematic view of the state of the utility model after the installation.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 4, the nut anti-loosening composite washer of the present invention includes a washer body 1, wherein a first through hole 11 is formed in the middle of the washer body 1, the first through hole 11 is used for a bolt 5 to pass through and the diameter of the first through hole is matched with the diameter of the bolt rod. The gasket main body 1 is of a cuboid plate-shaped structure, two opposite sides of the gasket main body 1 are respectively bent upwards to form oppositely arranged insertion pieces 12, and the insertion pieces 12 are used for being inserted into insertion grooves 31 which are arranged on a mounting plate 3 of equipment in advance so as to realize the positioning of the gasket main body 1. In the embodiment, the other opposite sides (i.e. the sides different from the insertion pieces) of the gasket main body 1 are respectively bent downwards to form oppositely arranged limiting pieces 13, and the limiting pieces 13 are used for clamping the nut 2 and radially stopping the rotation of the nut 2. And a second through hole 32 which is arranged corresponding to the first through hole 11 and used for bolt insertion is formed in the mounting plate 3 matched with the gasket main body 1. In addition, the dimensions of the mounting plate 3 and the workpiece 4 to be fastened shown in fig. 3 and 4 are merely illustrative and do not represent limitations on the shape, size, and structure thereof.
It should be noted that, in the present embodiment, the limiting piece 13 and the inserting piece 12 are both formed by bending the side of the gasket main body, so as to make the gasket main body have an integrally formed structure and be easy to process and manufacture; and the limiting sheet and the inserting sheet are preferably designed into two and respectively positioned on four side parts of the gasket main body, so that the purposes of integral forming and convenience in processing are realized. However, the present invention is not limited to the arrangement of the spacing pieces 13 and the insertion pieces 12, and for example, both the insertion pieces and the spacing pieces may be welded to the gasket body.
In other embodiments, the shape of the gasket body 1 may be a circular plate shape, an elliptical plate shape, a polygonal plate shape, or the like, which is not limited by the present invention. Further, the number of the insertion pieces 12 is not limited to two, and may be plural, thereby ensuring a better fixing effect. The spacing pieces 13 may be distributed not only on opposite sides but also adjacent to or spaced apart from each other. For example, six limiting pieces can be arranged for limiting the clamping of the hexagon nut, the six limiting pieces are connected end to form a hexagonal prism installation space for accommodating the hexagon nut, and each limiting piece corresponds to six side faces of the nut one to one. In addition, three limiting pieces can be arranged at intervals, and each limiting piece corresponds to the interval side face of the hexagonal nut.
Preferably, the insert 12 and the gasket body are arranged perpendicular to each other; the limiting sheet 13 and the gasket main body are perpendicular to each other.
Preferably, the four corners of the gasket body 1 are respectively bent upwards to form the teeth 14 which are tightly abutted with the mounting plate to increase the frictional resistance, and the upward bending angle of the teeth 14 is 1-5 degrees, but the utility model discloses do not limit the bending angle of the teeth.
The bolt and nut assembly typically holds two parts together, in this embodiment, a mounting plate 3 of the apparatus and a workpiece 4 of the apparatus to be fastened. When the gasket is used, the nut 2 is clamped between the limiting sheets 13 of the gasket main body 1, then the inserting sheet 12 of the gasket main body is aligned with the inserting groove 31 on the mounting plate 3 for inserting and pressing the gasket main body 1 below the mounting plate by hand, and the inserting sheet 12 is matched with the inserting groove 31 to play a role in positioning the gasket main body; the nut 2 is clamped between the limiting pieces 13, the nut 2 is prevented from rotating along with the bolt 5 in the fastening process, and the nut side operating tool and the space are saved. The bolt 5 sequentially penetrates through the corresponding opening 41 formed in the workpiece to be fastened, the second through hole 32 of the mounting plate and the first through hole 11 of the washer body and then is in threaded connection with the nut 2, the lightly pressed washer body can be loosened after the bolt is in primary threaded connection with the nut, the washer body 1 cannot fall off at the moment, and finally the bolt 5 is fastened to enable the mounting plate 3 to be fixedly connected with the workpiece 4 to be fastened and form a state shown in figure 4, namely the nut tightly compresses and connects the washer body, the mounting plate and the workpiece to be fixed together under the bolt locking condition. At the fastening bolt in-process, can effectively increase frictional resistance through the inseparable butt of the tooth 14 all around of packing ring main part and mounting panel 3, the material of packing ring main part 1 is preferred to be adopted metal material to make, possesses certain ductility and deformation resistance, thereby the tooth can realize slightly warping in the bolt-up process and make bolt nut reach the purpose that the fastening links to each other more to prevent to produce not hard up phenomenon.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art can easily modify, change or modify the above embodiments according to the technical spirit of the present invention without departing from the scope of the present invention.
Claims (8)
1. A nut anti-loose composite washer is characterized by comprising a washer main body, wherein a first through hole for inserting a bolt is formed in the middle of the washer main body, an insertion piece inserted into an insertion groove formed in a mounting plate matched with the washer main body is formed by upwards bending the side part of the washer main body, and a limiting piece used for clamping a nut and playing a role in stopping rotation of the nut is formed by downwards bending the side part of the washer main body; and a second through hole which is correspondingly arranged with the first through hole and is used for bolt insertion is formed in the mounting plate matched with the gasket main body.
2. The nut lock composite washer according to claim 1, wherein: the insert pieces are arranged in two and symmetrically distributed at the opposite sides of the gasket main body.
3. The nut lock composite washer according to claim 1, wherein: the spacing piece is equipped with two and symmetric distribution at the opposite side of packing ring main part.
4. The nut lock composite washer according to claim 1, wherein: the gasket main body is of an integrally formed structure.
5. The nut lock composite washer according to claim 1, wherein: the four corners of the gasket main body are respectively bent upwards to form a rodent which is tightly abutted with the mounting plate to play a role in increasing the frictional resistance.
6. The nut lock composite washer according to claim 5, wherein: the upward bending angle of the rodent is 1-5 degrees.
7. The nut lock composite washer according to claim 1 or 2, wherein: the insert is disposed perpendicular to the gasket body.
8. A nut lock composite washer according to claim 1 or 3, wherein: the limiting piece is perpendicular to the gasket main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921185501.6U CN210769783U (en) | 2019-07-25 | 2019-07-25 | Nut anti-loosening composite washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921185501.6U CN210769783U (en) | 2019-07-25 | 2019-07-25 | Nut anti-loosening composite washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210769783U true CN210769783U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921185501.6U Active CN210769783U (en) | 2019-07-25 | 2019-07-25 | Nut anti-loosening composite washer |
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| CN (1) | CN210769783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397662A (en) * | 2019-07-25 | 2019-11-01 | 中航光电科技股份有限公司 | A kind of nut anti-looseness composite-gasket |
-
2019
- 2019-07-25 CN CN201921185501.6U patent/CN210769783U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397662A (en) * | 2019-07-25 | 2019-11-01 | 中航光电科技股份有限公司 | A kind of nut anti-looseness composite-gasket |
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